Half moon bed



FIG. 1 is a perspective view of a half moon bed embodying my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a rear view thereof.

The broken lines are for environmental purposes only and forms no part of the claimed design. 

The ornamental design for a half moon bed, as shown and described. 